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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 ((Heating & Air Conditioning (ATC) - Electrical Diagnostics - 1500, 2500 & 3500)) >> DTC Troubleshooting >> B1031-Evaporator Temperature Sensor Circuit Low >> Set Condition:

Set Condition:

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The Evaporator Temperature Sensor voltage input to the A/C Heater Control is below 0.08 of a volt for a continuous period of 60 seconds. If the A/C Heater Control detects a valid voltage, the DTC will change from active to stored and will stay stored for 100 ignition cycles.